| M50.90 | Cervical disc disorder, unspecified, unspecified cervical region | BILLABLE CODE |
| M50.91 | Cervical disc disorder, unspecified, high cervical region | BILLABLE CODE |
| M50.92 | Cervical disc disorder, unspecified, mid-cervical region | NON-BILLABLE CODE |
| M50.920 | Unspecified cervical disc disorder, mid-cervical region, unspecified level | BILLABLE CODE |
| M50.921 | Unspecified cervical disc disorder at C4-C5 level | BILLABLE CODE |
| M50.922 | Unspecified cervical disc disorder at C5-C6 level | BILLABLE CODE |
| M50.923 | Unspecified cervical disc disorder at C6-C7 level | BILLABLE CODE |
| M50.93 | Cervical disc disorder, unspecified, cervicothoracic region | BILLABLE CODE |
